﻿using Microsoft.AspNetCore.Mvc.Abstractions;
using Microsoft.AspNetCore.Mvc.ActionConstraints;
using Microsoft.AspNetCore.Routing;
using System;

namespace WaterCloud.Code
{
	/// <summary>
	/// ajax验证
	/// </summary>
	[AttributeUsage(AttributeTargets.Method)]
	public class HandlerAjaxOnlyAttribute : ActionMethodSelectorAttribute
	{
		public bool Ignore { get; set; }

		public HandlerAjaxOnlyAttribute(bool ignore = false)
		{
			Ignore = ignore;
		}

		public override bool IsValidForRequest(RouteContext routeContext, ActionDescriptor action)
		{
			if (Ignore)
				return true;
			bool result = false;
			var xreq = routeContext.HttpContext.Request.Headers.ContainsKey("x-requested-with");
			if (xreq)
			{
				result = routeContext.HttpContext.Request.Headers.ContainsKey("x-requested-with");
			}
			return result;
		}
	}
}